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Ten years after Werth Messtechnik GmbH introduced the first X-ray tomography machine designed specifically for coordinate measurement technology, it is hard to imagine what quality assurance could do without this technology. The complete, non-destructive measurement of parts, including for internal features, opens up whole new applications in the two areas of inspection and dimensional control of parts. Due to continuous developments in many areas, Werth is a leader in this technology and, in particular, when it becomes necessary to have an accurate measurement.
At Control 2005 in Sinsheim, the Tomoscope 200 Werth was presented. It was the first coordinate measuring device using tomography and already multisensors. For the first time, complex pieces, with several hundred dimensions, were measured completely and precisely in a short period of time. With many patented processes such as Werth automatic correction, measurement uncertainties of a few microns are already assured. Modern methods of correction of artifacts and the use of reference measurements, made with the WFP fiber sensor, allow for example to measure diesel injection nozzles with a measurement uncertainty of around 0.5 m.
Today, it is possible to choose the basic components such as the X-ray tube, the detector, and the rotation axis for the Werth TomoScope and TomoCheck series in order to perfectly adapt the machine to the constraints of the customer's parts (volume, material...). The machines are available to meet very important requirements in terms of resolution and measurement uncertainty. All machines have a maximum tolerated error (MPE E - two-way following VDI 2617-13) and are calibrated DAKKS by the Werth laboratory. In fact, the tomoCheck offers an MPE E of 2.5 -L / 150) m.
Future developments are focused on further reducing measurement uncertainties, and improving measurement opportunities on multi-material and assembled components.
Find out more: www.werthfrance.com
